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homepage/src/lib/components/Header.svelte
Alexander Bocken 4356af4e0a
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fix mobile hamburger menu positioning and layout
Improve profile picture and navigation alignment on mobile:
- Position UserHeader fixed 2rem from viewport bottom (avoids browser UI issues)
- Center UserHeader horizontally within hamburger menu
- Add 2rem margin to links wrapper for better spacing
- Align navigation items to flex-start for left alignment
2025-12-27 10:24:44 +01:00

325 lines
7.4 KiB
Svelte

<script>
import "$lib/css/nordtheme.css"
import { onMount } from "svelte";
import { page } from '$app/stores';
import Symbol from "./Symbol.svelte"
let underlineLeft = $state(0);
let underlineWidth = $state(0);
let disableTransition = $state(false);
function toggle_sidebar(state){
// state: force hidden state (optional)
const nav_el = document.querySelector("nav")
if(state === undefined) nav_el.hidden = !nav_el.hidden
else nav_el.hidden = state
}
function updateUnderline() {
const activeLink = document.querySelector('.site_header a.active');
const linksWrapper = document.querySelector('.links-wrapper');
if (activeLink && linksWrapper) {
const wrapperRect = linksWrapper.getBoundingClientRect();
const linkRect = activeLink.getBoundingClientRect();
// Get computed padding to exclude from width and adjust position
const computedStyle = window.getComputedStyle(activeLink);
const paddingLeft = parseFloat(computedStyle.paddingLeft);
const paddingRight = parseFloat(computedStyle.paddingRight);
underlineLeft = linkRect.left - wrapperRect.left + paddingLeft;
underlineWidth = linkRect.width - paddingLeft - paddingRight;
} else {
underlineWidth = 0;
}
}
// Update underline when page changes
$effect(() => {
$page.url.pathname; // Subscribe to pathname changes
// Use setTimeout to ensure DOM has updated
setTimeout(updateUnderline, 0);
});
onMount( () => {
const link_els = document.querySelectorAll("nav a")
link_els.forEach((el) => {
el.addEventListener("click", () => {toggle_sidebar(true)});
})
// Initialize underline position
updateUnderline();
// Update underline on resize, with transition disabled
let resizeTimer;
function handleResize() {
disableTransition = true;
updateUnderline(); // Update immediately to prevent lag
clearTimeout(resizeTimer);
resizeTimer = setTimeout(() => {
// Re-enable transition after resize has settled
disableTransition = false;
}, 150);
}
window.addEventListener('resize', handleResize);
return () => {
window.removeEventListener('resize', handleResize);
clearTimeout(resizeTimer);
};
})
</script>
<style>
nav{
position: sticky;
background-color: var(--nord0);
top: 0;
z-index: 10;
display: flex !important;
flex-direction: row;
justify-content: space-between !important;
align-items: center;
box-shadow: 0 1em 1rem 0rem rgba(0,0,0,0.4);
height: 4rem;
}
nav[hidden]{
display:block;
}
:global(.site_header li),
:global(a.entry)
{
list-style-type:none;
transition: color 100ms;
color: white;
user-select: none;
}
:global(.site_header li>a),
:global(.entry)
{
text-decoration: none;
font-family: sans-serif;
font-size: 1.2rem;
color: inherit;
border-radius: 1000px;
padding: 0.5rem 0.75rem;
}
:global(.site_header li:hover),
:global(.site_header li:focus-within),
:global(.site_header li:has(a.active)),
:global(.entry:hover),
:global(.entry:focus-visible)
{
cursor: pointer;
color: var(--red);
}
:global(.site_header) {
padding-block: 1.5rem;
display: flex;
flex-direction: row;
gap: 0.5rem;
justify-content: space-evenly;
max-width: 1000px;
margin: 0;
margin-inline: auto;
}
.links-wrapper {
position: relative;
flex: 1;
}
.active-underline {
position: absolute;
bottom: 1.2rem;
height: 2px;
background-color: var(--red);
transition: left 300ms ease-out, width 300ms ease-out;
pointer-events: none;
}
.active-underline.no-transition {
transition: none;
}
.nav_button{
display: none;
}
.button_wrapper{
display: none;
padding-inline: 0.5rem;
}
.right-buttons{
display: flex;
align-items: center;
gap: 0.5rem;
}
.header-right{
display: flex;
align-items: center;
gap: 0.5rem;
}
:global(svg.symbol){
height: 4rem;
width: 4rem;
border-radius: 10000px;
}
/*:global(a:has(svg.symbol)){
padding: 0 !important;
width: 4rem;
height: 4rem;
margin-left: 1rem;
}*/
.wrapper{
display:flex;
flex-direction: column;
min-height: 100svh;
}
footer{
padding-block: 1rem;
text-align: center;
margin-top: auto;
}
@media screen and (max-width: 800px) {
.button_wrapper_shadow{
box-shadow: 0 1em 1rem 0rem rgba(0,0,0,0.4);
position: fixed;
width: 100%;
height: 4rem;
top: 0;
left: 0;
z-index: 9;
pointer-events: none;
}
.button_wrapper{
display: flex;
justify-content: space-between;
align-items: center;
position: sticky;
background-color: var(--nord0);
width: 100%;
height: 4rem;
top: 0;
z-index: 9999;
}
.nav_button{
border: unset;
background-color: unset;
display: block;
fill: white;
margin-inline: 0.5rem;
width: 2rem;
aspect-ratio: 1;
}
.nav_button svg{
width: 100%;
height: 100%;
transition: 100ms;
}
.nav_button:focus{
fill: var(--red);
scale: 0.9;
}
.nav_site{
position: fixed;
top: 0;
right: 0;
height: 100vh; /* dvh does not work, breaks because of transition and only being applied after scroll ends*/
margin-bottom: 50vh;
width: min(95svw, 25em);
transition: transform 100ms;
z-index: 10;
flex-direction: column;
justify-content: flex-start !important;
align-items: left;
justify-content: space-between!important;
padding-inline: 0.5rem;
}
:global(.nav_site ul){
width: 100% ;
}
.nav_site :first-child{
display:none;
}
.nav_site[hidden]{
transform: translateX(100%);
}
:global(.nav_site a:last-child){
margin-bottom: 2rem;
}
.nav_site .links-wrapper {
align-self: flex-start;
width: 100%;
margin: 2rem;
}
:global(.site_header){
flex-direction: column;
padding-top: min(10rem, 10vh);
align-items: flex-start;
}
:global(.site_header li, .site_header a){
font-size: 4rem;
}
:global(.site_header li > a, .site_header a){
font-size: 2rem;
}
:global(.site_header li:hover),
:global(.site_header li:focus-within){
transform: unset;
}
.nav_site .header-right{
flex-direction: column;
position: absolute;
bottom: 2rem;
left: 50%;
transform: translateX(-50%);
}
.language-selector-desktop{
display: none;
}
.active-underline {
display: none;
}
:global(.nav_site .site_header a.active) {
text-decoration: underline;
text-decoration-color: var(--red);
text-decoration-thickness: 2px;
text-underline-offset: 0.3rem;
}
}
</style>
<div class=wrapper lang=de>
<div>
<span class=button_wrapper_shadow></span>
<div class=button_wrapper>
<a href="/"><Symbol></Symbol></a>
<div class="right-buttons">
<slot name=language_selector_mobile></slot>
<button class=nav_button on:click={() => {toggle_sidebar()}}><svg xmlns="http://www.w3.org/2000/svg" height="0.5em" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M0 96C0 78.3 14.3 64 32 64H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-32zM448 416c0 17.7-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H416c17.7 0 32 14.3 32 32z"/></svg></button>
</div>
</div>
<nav hidden class=nav_site>
<a class=entry href="/"><Symbol></Symbol></a>
<div class="links-wrapper">
<slot name=links></slot>
<div class="active-underline" class:no-transition={disableTransition} style="left: {underlineLeft}px; width: {underlineWidth}px;"></div>
</div>
<div class="header-right">
<div class="language-selector-desktop">
<slot name=language_selector_desktop></slot>
</div>
<slot name=right_side></slot>
</div>
</nav>
<slot></slot>
</div>
<footer>
Ad maiorem Dei gloriam
</footer>
</div>